Top 45 Self Storage Facility Chains in Maryland (2026)

Metro by metro

The leading self storage facility chains in every Maryland metro area

Tracked self storage facility chains ranked by consumer spend in each metro area, Q4 2025–Q3 2026. Extra Space Storage leads in all 3 metro areas with enough data. Against their share in Maryland as a whole, Extra Space Storage stands out in 1 metro area, Self Storage Plus in 1 metro area.

Relative to Maryland #1 by spend

By tracked consumer spend, Q4 2025–Q3 2026

Extra Space Storage
Relative #1 in Baltimore, MD, 1.3× its share in Maryland
Self Storage Plus
Relative #1 in Washington, DC (MD part), 1.6× its share in Maryland

Not enough tracked stores: Hagerstown, MD (MD part) · Philadelphia, PA (MD part) · Salisbury, MD

No ranked chain with 5% of the metro area's spend and 3 stores there: Lexington Park, MD

Extra Space Storage
#1 in all 3 metro areas

Not enough tracked stores: Hagerstown, MD (MD part) · Philadelphia, PA (MD part) · Salisbury, MD

A metro area shows a ranking once it has at least 2 tracked self storage facility chains and 10 tracked stores. Relative to Maryland compares a chain's share of the metro area's spend with its share in Maryland as a whole. It ranks the 7 biggest chains in Maryland and the chains that lead a metro area by spend, wherever a chain has at least 5% of the metro area's spend and 3 stores there. Metro areas are the Census Bureau's metropolitan statistical areas; the rest of Maryland is light gray. A metro area crossing the state line counts only its stores in Maryland. Colors match the store map; other tracked chains are gray.

Growth ranking

Fastest-growing tracked self storage facility chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. Prime Storage and Extra Space Storage sit in the high-growth half.

# Chain YoY growth

Rank	Chain	Rank movement	YoY growth
1	Prime Storage	-	+9.8%
2	Extra Space Storage	-	-0.4%
3	CubeSmart Self Storage	-	-1.8%
4	Self Storage Plus	-	-2.9%
5	StorageMart	-	-14.3%
6	iStorage	-	-14.7%

Extra Space Storage
CubeSmart Self Storage
Self Storage Plus
Talkie Communicatoins, Inc
YourSpace Storage
StorageMart
iStorage
Other tracked chains

Store footprint

Store map

233 tracked store locations in Maryland. The 7 largest tracked chains are highlighted. The top 5 chains by store count run 177 of the 233 stores (76%); 30 of the 45 tracked chains have a single store here. 4% of the tracked other stores here are self storage facilities, the same share as across the United States.